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1. 

   New Photo Tube Measures Temperature in Furnace

   By Science NewsSeptember 19, 1931

2. 

   [Photograph]: Bareback

   By Science NewsSeptember 19, 1931

3. 

   Accepted Theory of Sense of Balance May Be Revised

   By Science NewsSeptember 19, 1931

4. 

   [Photograph]: Largest of His Time

   By Science NewsSeptember 19, 1931

5. 

   New Method Measures Speed of Electrons in Dense Solids

   By Science NewsSeptember 19, 1931

6. 

   Activity of Pituitary Gland Basis of Test for Pregnancy

   By Science NewsSeptember 19, 1931

7. 

   Industrial Hygiene Urged to Lengthen Adult Life

   By Science NewsSeptember 19, 1931

8. 

   Famous Old Theorem Solved after Lapse of 300 Years

   By Science NewsSeptember 19, 1931

9. 

   Orchids That Look like Girls

   By Science NewsSeptember 19, 1931

10. 

    In Science Fields

    By Science NewsSeptember 19, 1931

11. 

    Life Injected into Ancient Mayan Art: Politics the Cause

    By Science NewsSeptember 19, 1931

12. 

    Contagion of Typhoid Fever: “A Classic of Science”

    By Science NewsSeptember 19, 1931